a {
  text-decoration: none;
  font-size: .333333rem;
}
html {
  font-size: 50px;
}
@media screen and (min-width: 320px) {
  html {
    font-size: 320px / 15;
  }
}
@media screen and (min-width: 360px) {
  html {
    font-size: 360px / 15;
  }
}
@media screen and (min-width: 375px) {
  html {
    font-size: 375px / 15;
  }
}
@media screen and (min-width: 384px) {
  html {
    font-size: 384px / 15;
  }
}
@media screen and (min-width: 400px) {
  html {
    font-size: 400px / 15;
  }
}
@media screen and (min-width: 414px) {
  html {
    font-size: 414px / 15;
  }
}
@media screen and (min-width: 424px) {
  html {
    font-size: 424px / 15;
  }
}
@media screen and (min-width: 480px) {
  html {
    font-size: 480px / 15;
  }
}
@media screen and (min-width: 540px) {
  html {
    font-size: 540px / 15;
  }
}
@media screen and (min-width: 720px) {
  html {
    font-size: 720px / 15;
  }
}
@media screen and (min-width:750px){
  html{
      font-size: 75px!important;
  }
}
body {
  min-width: 320px;
  max-width: 750px;
  width: 10rem;
  margin: 0 auto;
  line-height: 1.5;
  font-family: Arial, Helvetica;
  background: #f2f2f2;
}
.search-content {
  display: flex;
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 10rem;
  height: 1.173333rem;
  background-color: #ffc001;
}
.search-content .classify {
  width: .586667rem;
    height: .933333rem;
    background:url(../images/classify.png) no-repeat;
    margin: .146667rem .333333rem .133333rem .333333rem;
    background-size: .586667rem .933333rem;
}
.search-content .search {
  flex: 1;
  
}
.search-content .search input {
  outline: none;
  border: 0;
  width: 100%;
  height: .88rem;
  font-size: .333333rem;
  border-radius:.44rem;
  background-color: #FFF2CC;
  margin-top: .133333rem;
  color: #757575;
  padding-left: .733333rem;
}
.search-content .login {
  width: 1rem;
    height: .933333rem;
    margin: .133333rem;
    text-align: center;
    line-height: .933333rem;
    color: #fff;
}
.banner {
  width: 750rem / 50;
  height: 368rem / 50;
}
.banner img {
  width: 100%;
  height: 100%;
}
.ad {
  display: flex;
}
.ad a {
  flex: 1;
}
.ad a img {
  width: 100%;
}
.nav {
  display: flex;
    flex-wrap: wrap;
}
.nav a {
  display: flex;
    flex-direction:column;
    align-items: center;
    width: 20%;
    height: 1.866667rem;
    color: #666;
}
.nav img {
  margin:.12rem 0 .12rem 0;
    width: 1.093333rem;
    height: 1.093333rem;
}
nav span {
  font-size: .186667rem;
}
